Crimson Trace Sights, model LG404. They fit three inch colt 45acp. Not sure of other models you will have to check their website. Price is $220.00 shipped. I tried them once and they are not for me. I bought them brandnew. If you want insurance it will be extra. Paypal fees paid by the buyer. Local pickup or I can meet within 100 miles. I am located in Blairsville, Georgia.